Home / 38,068.79-52,531.64-21,073.06

Finding the Fourth Proportional to 38,068.79, 52,531.64 and 21,073.06

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Solution

The fourth proportional to 38,068.79, 52,531.64 and 21,073.06 is: 29,078.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,068.79 : 52,531.64 = 21,073.06 : x
  2. Step 2: Convert to fraction form
    38,068.79/52,531.64 = 21,073.06/x
  3. Step 3: Cross multiply
    38,068.79x = 52,531.64 × 21,073.06
  4. Step 4: Simplify right side
    38,068.79x = 1,107,002,138.96
  5. Step 5: Solve for x
    x = 1,107,002,138.96/38,068.79
  6. Step 6: Final answer
    x = 29,078.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.